I loved this book as a child and I still love it as a teacher. It is a wonderful imagination book. Imagination in writing is so important in the classroom and this book shows the fun ways just with one object (the purple crayon). i would introduce this book through a whole group read and ask comprehensive questions for what the character created. I would then ask the students to write a story about what they would create if they had only one object. i would use this in a 1st or 2nd grade classroom.